This page hosts learning materials for USDA ARS SEA statistics and data science trainings created by SEA area statistician Quentin Read.
For USDA personnel only: to access video recordings of previous training sessions, please visit the SEA Statistics Training page on USDA Axon intranet.
Instructions for installing R, RStudio, and R packages
Follow these instructions before starting any of the lessons if you do not have R and RStudio installed on your laptop.
Two one-hour lessons on basic R programming for complete beginners (Lessons 1 and 2 in a six-lesson series).
Taught in hybrid format in Raleigh, NC, December 8-9, 2022, and in person in Fayetteville, AR, January 9, 2023, and Booneville, AR, January 12, 2023.
Full-text version | Slides | Worksheets |
---|---|---|
Lesson 1: R Boot Camp: the very basics | Slides | Worksheet |
Lesson 2: R Boot Camp: working with data frames | Slides | Worksheet |
Four one-hour lessons on fitting simple linear mixed models in R (Lessons 3-6 in a six-lesson series).
Taught in hybrid format in Raleigh, NC, December 8-9, 2022.
One-hour session introducing students to visualizing data with R and ggplot2.
Taught in Fayetteville, AR, January 10, 2023
Two-hour session introducing students to Bayesian inference, and showing how to fit some simple Bayesian mixed models with brms.
Taught in Fayetteville, AR, January 10, 2023 (updated February 02, 2023).
Two-hour session showing basic data processing and model fitting procedures in R and SAS side-by-side.
Will be taught in Athens, GA, February 2023.
I compiled a list of my favorite learning resources, including materials on R programming and mixed models, for a recent stats workshop. I expect to add more material to this list in the future; please check back soon for updates!
This page last updated by QDR on 2023-02-02. This page’s contents were created by the author and do not reflect official USDA policy.